133003120123 has 16 divisors (see below), whose sum is σ = 145698336000. Its totient is φ = 120929451552.

The previous prime is 133003120109. The next prime is 133003120127. The reversal of 133003120123 is 321021300331.

It is not a de Polignac number, because 133003120123 - 2¹⁷ = 133002989051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133003120123.

It is not an unprimeable number, because it can be changed into a prime (133003120127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630693 + ... + 814726.

It is an arithmetic number, because the mean of its divisors is an integer number (9106146000).

Almost surely, 2^133003120123 is an apocalyptic number.

133003120123 is a deficient number, since it is larger than the sum of its proper divisors (12695215877).

133003120123 is a wasteful number, since it uses less digits than its factorization.

133003120123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445634.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 133003120123 its reverse (321021300331), we get a palindrome (454024420454).

The spelling of 133003120123 in words is "one hundred thirty-three billion, three million, one hundred twenty thousand, one hundred twenty-three".